Keywords: Pipe on left reads &amp;quot;CHILLED WATER RETURN&amp;quot;. Pipe at right reads &amp;quot;CHILLED WATER SUPPLY&amp;quot;. Building reads &amp;quot;McQuay Air Conditioner&amp;quot; (label out of frame). CC0 waiver: To the extent possible under law, I waive all copyright and related or neighboring rights to this work. Pipe on left reads &quot;CHILLED WATER RETURN&quot;. Pipe at right reads &quot;CHILLED WATER SUPPLY&quot;. Building reads &quot;McQuay Air Conditioner&quot; (label out of frame). CC0 waiver: To the extent possible under law, I waive all copyright and related or neighboring rights to this work. Outdoor cooling equipment at NERSC (3).jpg Pipe on left reads CHILLED WATER RETURN Pipe at right reads CHILLED WATER SUPPLY Building reads McQuay Air Conditioner label out of frame http //creativecommons org/publicdomain/zero/1 0/ CC0 waiver To the extent possible under law I waive all copyright and related or neighboring rights to this work http //www flickr com/photos/dcoetzee/6271752564/ Outdoor cooling equipment at NERSC 3 Uploaded by Dcoetzee 2011-10-14 13 50 http //www flickr com/people/29507259 N02 Derrick Coetzee from Berkeley CA USA cc0 File Upload Bot Magnus Manske November 23 2011 National Energy Research Scientific Computing Center Uploads by Dcoetzee Pipe on left reads &quot;CHILLED WATER RETURN&quot;. Pipe at right reads &quot;CHILLED WATER SUPPLY&quot;. Building reads &quot;McQuay Air Conditioner&quot; (label out of frame). CC0 waiver: To the extent possible under law, I waive all copyright and related or neighboring rights to this work.